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1.
JAMA ; 323(24): 2485-2492, June., 2020. tab., graf.
Artigo em Inglês | Sec. Est. Saúde SP, SESSP-IDPCPROD, Sec. Est. Saúde SP | ID: biblio-1123020

RESUMO

IMPORTANCE Corticosteroids are widely used in pediatric cardiac surgery to blunt systemic inflammatory response and to reduce complications; nevertheless, their clinical efficacy is uncertain. OBJECTIVE To determine whether intraoperative administration of dexamethasone is more effective than placebo for reducing major complications and mortality during pediatric cardiac surgery. DESIGN, SETTING, AND PARTICIPANTS The Intraoperative Dexamethasone in Pediatric Cardiac Surgery was an investigator-initiated, double-blind, multicenter randomized trial that involved 4 centers in China, Brazil, and Russia. A total of 394 infants younger than 12 months, undergoing cardiac surgery with cardiopulmonary bypass were enrolled from December 2015 to October 2018, with follow-up completed in November 2018. INTERVENTIONS The dexamethasone group (n = 194) received 1mg/kg of dexamethasone; the control group (n = 200) received an equivolume of 0.9%sodium chloride intravenously after anesthesia induction. MAIN OUTCOMES AND MEASURES The primary end pointwas a composite of death, nonfatalmyocardial infarction, need for extracorporeal membrane oxygenation, need for cardiopulmonary resuscitation, acute kidney injury, prolonged mechanical ventilation, or neurological complications within 30 days after surgery. There were 17 secondary end points, including the individual components of the primary end point, and duration of mechanical ventilation, inotropic index, intensive care unit stay, readmission to intensive care unit, and length of hospitalization. RESULTS All of the 394 patients randomized (median age, 6 months; 47.2%boys) completed the trial. The primary end point occurred in 74 patients (38.1%) in the dexamethasone group vs 91 patients (45.5%) in the control group (absolute risk reduction, 7.4%; 95%CI, −0.8%to 15.3%; hazard ratio, 0.82; 95%CI, 0.60 to 1.10; P = .20). Of the 17 prespecified secondary end points, none showed a statistically significant difference between groups. Infections occurred in 4 patients (2.0%) in the dexamethasone group vs 3 patients (1.5%) in the control group. CONCLUSIONS AND RELEVANCE Among infants younger than 12 months undergoing cardiac surgery with cardiopulmonary bypass, intraoperative administration of dexamethasone, compared with placebo, did not significantly reduce major complications and mortality at 30 days. However, the study may have been underpowered to detect a clinically important difference.


Assuntos
Humanos , Masculino , Feminino , Recém-Nascido , Criança , Ponte Cardiopulmonar , Complicações Cognitivas Pós-Operatórias , Procedimentos Cirúrgicos Cardíacos/mortalidade , Cuidados Intraoperatórios , Dexametasona/efeitos adversos , Método Duplo-Cego , Glucocorticoides/efeitos adversos
2.
JAMA ; 323(24): 2485-2492, 2020 06 23.
Artigo em Inglês | MEDLINE | ID: mdl-32573670

RESUMO

Importance: Corticosteroids are widely used in pediatric cardiac surgery to blunt systemic inflammatory response and to reduce complications; nevertheless, their clinical efficacy is uncertain. Objective: To determine whether intraoperative administration of dexamethasone is more effective than placebo for reducing major complications and mortality during pediatric cardiac surgery. Design, Setting, and Participants: The Intraoperative Dexamethasone in Pediatric Cardiac Surgery was an investigator-initiated, double-blind, multicenter randomized trial that involved 4 centers in China, Brazil, and Russia. A total of 394 infants younger than 12 months, undergoing cardiac surgery with cardiopulmonary bypass were enrolled from December 2015 to October 2018, with follow-up completed in November 2018. Interventions: The dexamethasone group (n = 194) received 1 mg/kg of dexamethasone; the control group (n = 200) received an equivolume of 0.9% sodium chloride intravenously after anesthesia induction. Main Outcomes and Measures: The primary end point was a composite of death, nonfatal myocardial infarction, need for extracorporeal membrane oxygenation, need for cardiopulmonary resuscitation, acute kidney injury, prolonged mechanical ventilation, or neurological complications within 30 days after surgery. There were 17 secondary end points, including the individual components of the primary end point, and duration of mechanical ventilation, inotropic index, intensive care unit stay, readmission to intensive care unit, and length of hospitalization. Results: All of the 394 patients randomized (median age, 6 months; 47.2% boys) completed the trial. The primary end point occurred in 74 patients (38.1%) in the dexamethasone group vs 91 patients (45.5%) in the control group (absolute risk reduction, 7.4%; 95% CI, -0.8% to 15.3%; hazard ratio, 0.82; 95% CI, 0.60 to 1.10; P = .20). Of the 17 prespecified secondary end points, none showed a statistically significant difference between groups. Infections occurred in 4 patients (2.0%) in the dexamethasone group vs 3 patients (1.5%) in the control group. Conclusions and Relevance: Among infants younger than 12 months undergoing cardiac surgery with cardiopulmonary bypass, intraoperative administration of dexamethasone, compared with placebo, did not significantly reduce major complications and mortality at 30 days. However, the study may have been underpowered to detect a clinically important difference. Trial Registration: ClinicalTrials.gov Identifier: NCT02615262.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Dexametasona/uso terapêutico , Glucocorticoides/uso terapêutico , Cardiopatias Congênitas/cirurgia , Cuidados Intraoperatórios , Complicações Cognitivas Pós-Operatórias/prevenção & controle , Procedimentos Cirúrgicos Cardíacos/mortalidade , Ponte Cardiopulmonar , Dexametasona/efeitos adversos , Método Duplo-Cego , Feminino , Glucocorticoides/efeitos adversos , Humanos , Lactente , Recém-Nascido , Masculino , Complicações Cognitivas Pós-Operatórias/mortalidade
3.
World J Pediatr Congenit Heart Surg ; 11(1): 49-55, 2020 01.
Artigo em Inglês | MEDLINE | ID: mdl-31835988

RESUMO

BACKGROUND: Aortic arch reconstruction is often challenging, especially in infants, owing to its high postoperative complication risks. This study aimed to compare the effectiveness between selective antegrade cerebral perfusion (SACP) alone and SACP in combination with continuous lower body perfusion with descending aortic cannulation (DAC) in preserving renal function, and to determine the influence of perfusion strategy on the postoperative course of infants who underwent aortic arch reconstruction. MATERIAL AND METHODS: A total of 121 infants who underwent aortic arch reconstruction between January 2008 and December 2018 were included in the analysis. Patients (median age: 29 days, range: 3-270 days) were divided into the following groups: those who underwent repair with SACP (SACP group, 79 patients) and those who underwent additional lower body perfusion (DAC group, 42 patients). RESULTS: Three (7.1%) and nine (11.4%) patients died in the DAC and SACP groups, respectively (P = .54). The SACP group had more patients requiring renal replacement therapy (P = .002) and higher incidence of second stage acute kidney injury (AKI) development (Kidney disease improving global outcomes (KDIGO) criteria; P = .032). The SACP group had higher frequency of open chest postoperatively than the DAC group (P = .011). The DAC group had lower vasoactive inotropic score (VIS) at the first postoperative day (P < .001) and shorter intensive care unit length of stay (P = .050). There was no difference in neurological complications between the groups (P = .061). High VIS was associated with early mortality (odds ratio [OR]: 1.79 [1.33-2.41], P < .001) and AKI (OR: 1.60 [1.35-1.91], P < .001). The DAC perfusion strategy with minimal hypothermia was associated with lower risk of AKI (OR: 0.91 [0.84-0.98], P = .016). CONCLUSION: Antegrade cerebral perfusion with continuous lower body perfusion via DAC could effectively be used for improving early postoperative results among infants undergoing procedures that include aortic arch reconstruction.

4.
Interact Cardiovasc Thorac Surg ; 29(5): 776-782, 2019 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-31361302

RESUMO

OBJECTIVES: This study aimed to compare vacuum-assisted closure therapy (VAC) and closed irrigation drainage therapy (CID) for deep sternal wound infection treatment in infants. METHODS: From January 2008 to March 2018, 69 patients (1.73%) had deep sternal wound infection. They were divided into 2 groups: patients treated with VAC therapy (VAC group, 29 patients) and those treated with CID therapy (CID group, 40 patients). After performing a propensity score analysis (1:1) for the entire sample, 16 patients receiving VAC therapy were matched with 16 patients receiving CID therapy. RESULTS: No significant difference was noted between both groups regarding age [d = 0.045; 95% confidence interval (CI) 0.99-1.07], gender (d = 0.001; 95% CI 0.22-4.45), weight (d = 0.011; 95% CI 0.73-1.35), body surface area (d = -0.023; 95% CI 0.01-5733.08), cardiopulmonary bypass (d = 0; 95% CI 0.16-5.90) and open chest duration (d = -0.112; 95% CI 0.31-5.16). Five patients died in the CID group (31.25%) during hospital stay, and there were no deaths in the VAC group (P = 0.024). Recurrence of mediastinitis occurred in 1 patient (6.25%) from the VAC group and in 6 patients (37.5%) from the CID group (P = 0.037). The multivariable regression analysis revealed that the CID method was the only risk factor for remediastinitis (odds ratio 17.3; 95% CI 1.04-286.75; P = 0.046). CONCLUSIONS: Use of VAC therapy in infants with deep sternal wound infection was associated with a substantial decrease in the mortality rate and duration of therapy compared with CID technique. The CID technique was an independent risk factor for recurrence of mediastinitis.


Assuntos
Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Drenagem/métodos , Tratamento de Ferimentos com Pressão Negativa/métodos , Pontuação de Propensão , Esterno/cirurgia , Infecção da Ferida Cirúrgica/terapia , Irrigação Terapêutica/métodos , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Fatores de Risco , Infecção da Ferida Cirúrgica/diagnóstico , Resultado do Tratamento
5.
World J Pediatr Congenit Heart Surg ; 10(1): 105-108, 2019 01.
Artigo em Inglês | MEDLINE | ID: mdl-30799710

RESUMO

The neonatal management of critical aortic arch obstruction in association with an arterial duct that remains closed or significantly constricted requires urgent surgical repair, with a postoperative focus on resolving the impaired function of compromised organs. Here, we present two neonatal cases illustrating the use of the dual arterial cannulation perfusion method in the complete repair of interrupted aortic arch and critical coarctation of the aorta with nonfunctional ductus arteriosus. We suggest that dual arterial cannulation, which provides total body perfusion (with the exception of cardiac perfusion during cardioplegic arrest of the heart), may be a good alternative to other perfusion strategies in cases of absent ductal blood flow, as this method allowed us to avoid the further development of severe multiple organ failure.


Assuntos
Anormalidades Múltiplas , Aorta Torácica/anormalidades , Coartação Aórtica/cirurgia , Cateterismo/métodos , Permeabilidade do Canal Arterial/cirurgia , Procedimentos Cirúrgicos Vasculares/métodos , Aorta Torácica/cirurgia , Coartação Aórtica/diagnóstico , Permeabilidade do Canal Arterial/diagnóstico , Feminino , Humanos , Recém-Nascido , Masculino , Período Pós-Operatório , Tomografia Computadorizada por Raios X
6.
Perfusion ; 34(4): 345-347, 2019 05.
Artigo em Inglês | MEDLINE | ID: mdl-30582417

RESUMO

Pulmonary artery rupture during pulmonary balloon valvuloplasty is a rare and life-threatening complication. Here, we present a pulmonary artery rupture in a 10-month-old infant. The patient had a tamponade, ineffective cardiac massage for 40 minutes and extreme hemodilution due to blood loss. Extracorporeal life support was used for three days. The patient was discharged without any neurological sequelae.


Assuntos
Reanimação Cardiopulmonar/métodos , Artéria Pulmonar/anormalidades , Feminino , Humanos , Lactente
8.
Eur J Cardiothorac Surg ; 53(1): 254-261, 2018 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-28977406

RESUMO

OBJECTIVES: The aim of our prospective randomized study was to compare modified reverse aortoplasty (MRA) and extended end-to-end anastomosis (EEA). METHODS: We have assessed the operative correction results in 54 infants with coarctation of the aorta and distal aortic arch hypoplasia who underwent primary repair in our institute between July 2013 and February 2014. All of the patients were <12 months old when they had the operation. Patients were randomly assigned to 2 arms: modified reverse subclavian flap angioplasty (MRA group; n = 27) or extended end-to-end anastomosis (EEA group; n = 27). RESULTS: We found a significant difference in residual arterial hypertension between the groups: 2 (7.7%) patients in the MRA group and 8 (30.8%) patients in the EEA group, respectively (P = 0.03). Risk factors for arterial hypertension were precoarctation area rigidity and endocardial fibroelastosis. During the last follow-up visit, recoarctation was observed in 1 (3.8%) patient in the MRA group and in 2 (7.7%) patients in the EEA group, respectively (P = 0.50). Cox regression analysis showed that the only risk factor for recoarctation was the patient's low weight before surgery [odds ratio (95% confidence interval) 0.016 (0.001-0.51), P = 0.047]. An aortic aneurysm developed in 2 (7.7%) patients in the MRA group; however, no significant difference was found between the groups (P = 0.15). CONCLUSIONS: The results of surgical repair of coarctation of the aorta using modified reverse subclavian flap angioplasty and extended anastomosis were comparable in mortality rates and early postoperative complications. Nevertheless, MRA may be beneficial in reducing residual arterial hypertension at the mid-term follow-up visit.


Assuntos
Aorta/cirurgia , Coartação Aórtica/cirurgia , Procedimentos Cirúrgicos Vasculares/métodos , Anastomose Cirúrgica/métodos , Coartação Aórtica/mortalidade , Feminino , Seguimentos , Humanos , Lactente , Recém-Nascido , Estimativa de Kaplan-Meier , Modelos Logísticos , Masculino , Projetos Piloto , Complicações Pós-Operatórias/epidemiologia , Modelos de Riscos Proporcionais , Estudos Prospectivos , Artéria Subclávia/cirurgia , Resultado do Tratamento
10.
Interact Cardiovasc Thorac Surg ; 26(1): 106-111, 2018 01 01.
Artigo em Inglês | MEDLINE | ID: mdl-29049781

RESUMO

OBJECTIVES: This study aimed to assess mitral valve function after repair of ventricular septal defect (VSD) combined with mitral regurgitation (MR) in the mid-term follow-up period, to evaluate the clinical utility of simultaneous mitral valve repair (MVR). METHODS: From June 2005 to March 2014, 60 patients with VSD and MR underwent surgical treatment. After performing propensity score analysis (1:1) for the entire sample, 46 patients were selected and divided into 2 groups: those with VSD closure and MVR (VSD + MVR, 23 patients) and those with VSD closure without mitral valve intervention (VSD only, 23 patients). The follow-up period ranged from 12 to 48 months (median 32 months; interquartile range 28-40 months). RESULTS: There was no postoperative mortality in either group. There was no significant difference in the duration of the postoperative period between groups (ventilation time, P = 0.49; inotropic support, P = 0.50). Mean cardiopulmonary bypass time and aortic cross-clamping time were significantly longer in the 'VSD + MVR' group (cardiopulmonary bypass, P = 0.023; aortic cross-clamp, P < 0.001). There was no significant difference in regurgitation area (P = 0.30) and MR grade (P = 0.76) between groups postoperatively. There was no significant difference in freedom from MR ≥ 2+ between groups (log-rank test, P = 0.28). In the 'VSD + MVR' group, 12-, 36- and 42-month freedom from MR ≥ 2+ values were 100%, 59 ± 10.4% [95% confidence interval (CI) 36.1-76.2%] and 44 ± 15% (95% CI 15.8-69.7%), respectively, while in the 'VSD only' group, these values were 100%, 54.5 ± 10.6% (95% CI 32-72.3%) and 54.5 ± 10.6% (95% CI 30-72.3%), respectively. The only significant risk factor for recurrent MR ≥ 2+ during the follow-up period was mild residual MR in the early postoperative period (P = 0.037). CONCLUSIONS: In infants with VSD combined with MR, simultaneous MVR has no benefits simultaneous MVR provided no advantage over that of isolated VSD closure. We found that the presence of mild residual MR in the early postoperative period predisposes the development of MR ≥ 2+ in follow-up period.


Assuntos
Procedimentos Cirúrgicos Cardíacos/métodos , Comunicação Interventricular/cirurgia , Insuficiência da Valva Mitral/cirurgia , Valva Mitral/cirurgia , Feminino , Seguimentos , Comunicação Interventricular/complicações , Humanos , Lactente , Masculino , Insuficiência da Valva Mitral/complicações , Período Pós-Operatório , Resultado do Tratamento
11.
World J Pediatr Congenit Heart Surg ; 8(5): 575-583, 2017 09.
Artigo em Inglês | MEDLINE | ID: mdl-28901234

RESUMO

BACKGROUND: Bidirectional cavopulmonary anastomosis (BCPA) is an important preliminary step toward the Fontan procedure; thus, understanding of risk factors for morbidity and mortality after BCPA may ultimately promote improved rates of success with Fontan completion and general survival. This study evaluated survival and predictors of unfavorable outcomes in patients after BCPA. METHODS: Clinical data of 157 patients who underwent BCPA from 2003 to 2015 at a single center were retrospectively analyzed. RESULTS: Three-year and nine-year survival after BCPA were 87.1% ± 2.8% and 85.8% ± 2.9%, respectively. Freedom from unfavorable outcomes (mortality, BCPA takedown, nonsuitability for Fontan procedure) was 83.8% ± 3.1% at three years and 73.5% ± 4.8% at nine years. Multivariate proportional hazards regression analysis revealed that total anomalous pulmonary venous connection (TAPVC; hazard ratio [HR]: 3.74, 95% confidence interval [CI]: 1.35-10.36; P = .01) and increased mean pressure in BCPA circuit (HR: 1.17, 95% CI: 1.02-1.34; P = .03) were independent risk factors for unfavorable outcomes. Postoperative mean pressure in BCPA circuit in patients with poor outcomes was median 16 mm Hg (interquartile range [IQR]: 14-18 mm Hg) versus median 14 mm Hg (IQR: 12-15.5 mm Hg) in patients with favorable outcomes ( P < .01). Preoperative (HR: 1.87, 95% CI: 1.20-2.91; P < .01) and postoperative atrioventricular valve regurgitation (AVVR; HR: 2.22, 95% CI: 1.24-3.94; P < .01) were also associated with unfavorable outcome in univariate Cox regression. CONCLUSIONS: Elevated mean pressure in the BCPA circuit is the main predictor of unfavorable outcome; therefore, thorough preoperative examination and careful patient selection are critical points for successful intermediate-stage and later Fontan completion. Total anomalous pulmonary venous connection and insufficient correction of AVVR worsen the prognosis in this patient group.


Assuntos
Técnica de Fontan/métodos , Cardiopatias Congênitas/cirurgia , Ventrículos do Coração/cirurgia , Complicações Pós-Operatórias/epidemiologia , Pré-Escolar , Feminino , Cardiopatias Congênitas/mortalidade , Humanos , Lactente , Masculino , Morbidade/tendências , Prognóstico , Estudos Retrospectivos , Fatores de Risco , Federação Russa/epidemiologia , Taxa de Sobrevida/tendências
12.
Eur J Cardiothorac Surg ; 51(5): 980-986, 2017 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-28199556

RESUMO

OBJECTIVES: Perventricular device closure (PVDC) of ventricular septal defects (VSDs) has demonstrated excellent clinical results. However, no prospective studies have compared PVDC with the conventional approach (CA). METHODS: Between June 2012 and August 2014, 640 consecutive patients with isolated VSD were enrolled in the study, and randomized into the PVDC group ( n = 320) and the CA group ( n = 320). The mean ages were 36.2 (10; 36) months and 36.2 (10; 36) months, respectively. The average weights were 13.9 (8.1; 15.0) kg and 14.5 (6.9; 13.8) kg, respectively. The mean follow-up was 24.9 (standard deviation 1.8) months. RESULTS: No early or late deaths occurred in either group. The procedural success rate reached 96.6% in the PVDC group, with a 3.4% conversion rate to CA. Mean procedure time was 56.9 (30; 70) min in the PVDC group and 162 (120; 180) min in the CA group ( P = 0.000). Thirteen (3.9%) patients in the CA group and only 4 (1.3%) in the PVDC group required postoperative blood transfusion in the intensive care unit ( P = 0.040). At the final follow-up, significantly more residual shunts were found in the CA group. No rhythm or conduction disorders occurred in any patient of either group. CONCLUSIONS: According to the mid-term follow-up results, PVDC has similar efficacy to CA for VSD closure. The off-pump PVDC technique reduces blood product transfusion and the procedural time and minimizes surgical trauma while providing excellent cosmetic results.


Assuntos
Procedimentos Cirúrgicos Cardíacos , Comunicação Interventricular/cirurgia , Procedimentos Cirúrgicos Cardíacos/efeitos adversos , Procedimentos Cirúrgicos Cardíacos/métodos , Procedimentos Cirúrgicos Cardíacos/estatística & dados numéricos , Pré-Escolar , Feminino , Humanos , Lactente , Masculino , Estudos Prospectivos , Desenho de Prótese , Dispositivo para Oclusão Septal , Resultado do Tratamento
13.
Interact Cardiovasc Thorac Surg ; 24(4): 582-589, 2017 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-28093463

RESUMO

Objectives: This study aimed to evaluate the influence of preserved additional pulmonary blood flow (APBF) on survival after bidirectional cavopulmonary shunt (BCPS) and completion of Fontan circulation. Methods: From March 2003 and April 2015, 156 patients with a single ventricle underwent BCPS. After performing propensity score analysis (1:1) for the entire sample, 50 patients with APBF (APBF group) were matched with 50 patients without APBF (no-APBF group). Results: Age ( P = 0.90), sex ( P = 0.57), weight ( P = 0.75), single ventricle morphology ( P = 0.87), type of neonatal palliative procedure ( P = 0.52), saturation ( P = 0.35), ejection fraction ( P = 0.90), Nakata index ( P = 0.70) and mean pulmonary artery pressure ( P = 0.72) were not significantly different between the groups. No significant survival difference was demonstrated ( P = 0.54). One and 4-year survival rates were both 89.1% ± 4.6% in the APBF group and 87.2% ± 4.9% and 83.4% ± 5.9%, respectively, in the no-APBF group. There was no significant difference in rates of Fontan completion ( P = 0.24), which was achieved in 22 patients from the APBF group (55.0%) and 26 patients from the no-APBF group (65.0%). However, Fontan completion occurred significantly earlier in the no-APBF group ( P < 0.01). In this group, Fontan procedure was performed before 36 months of inter-stage period in 45.9% ± 8.5% of cases (95% CI 31.0-63.7%) compared to only 13.3 ± 5.6% (95% CI 5.8-29.1%) in the APBF group. Conclusions: Our study demonstrates that APBF does not affect survival after BCPS or Fontan completion rate. APBF allows postponing the Fontan procedure without a negative effect on clinical status.


Assuntos
Técnica de Fontan/métodos , Cardiopatias Congênitas/fisiopatologia , Cardiopatias Congênitas/cirurgia , Circulação Pulmonar/fisiologia , Pré-Escolar , Feminino , Cardiopatias Congênitas/mortalidade , Ventrículos do Coração/cirurgia , Hemodinâmica/fisiologia , Humanos , Lactente , Masculino , Estudos Retrospectivos , Taxa de Sobrevida
14.
Cardiol Young ; 26(3): 596-8, 2016 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-26358008

RESUMO

This case report documents the successful surgical repair of an aorto-bronchial fistula and a giant aortic pseudoaneurysm at the proximal anastomosis of a dacron interposition tube graft that was balloon dilated for recurrent coarctation. Balloon dilation for recoarctation of a dacron interposition tube graft may lead to serious complications.


Assuntos
Falso Aneurisma/etiologia , Angioplastia com Balão/efeitos adversos , Aorta/diagnóstico por imagem , Coartação Aórtica/cirurgia , Fístula Brônquica/etiologia , Criança , Feminino , Humanos , Imageamento Tridimensional , Complicações Pós-Operatórias/etiologia , Tomografia Computadorizada por Raios X
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